Directed by Matthew Vaughn and loosely based on the comic book series by Mark Millar and Dave Gibbons, the film proved a box office smash, raking in $414.4 million off the back of a modest $80 million budget.

As such, it came as no surprise when 20th Century Fox announced that a sequel, Kingsman: The Golden Circle, was in the works for a 2017 release date. Arriving on 22 September, the follow-up – which continues the story of delinquent turned secret agent Eggsy – looks set to be even bigger than its predecessor.

Given the anticipation surrounding the Golden Circle, there’s no better time to revisit the original entry in the Kingsman franchise. This is especially the case as – despite its enthusiastically over-the-top style – the movie is actually layered with plenty of easy to overlook details.

To make life easier for you, we’ve used our own espionage and infiltration skills to compile this list of 15 Things You Completely Missed In Kingsman: The Secret Service. So read on, and remember: Manners Maketh Man!